Cometcountdown

51P/Harrington
Discovered by
Robert G. Harrington at Palomar Observatory
Discovery date
14 August 1953
Semi-major axis
3.714 AU (a)
Eccentricity
0.5424
Orbital period
7.16 yr
Inclination
5.42°
Epoch
2015-08-06 (JD 2457240.5)
Aphelion
5.729 AU (Q)
Perihelion
1.699 AU (q)
Last Perihelion(s)
18 June 2008 - 12 August 2015
Next Perihelion
3 October 2022
Last modified
12/12/2016 - 00:41